/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.carbondata.spark.testsuite.allqueries

import org.apache.spark.sql.Row
import org.apache.spark.sql.common.util.CarbonHiveContext._
import org.apache.spark.sql.common.util.QueryTest
import org.scalatest.BeforeAndAfterAll

/*
 * Test Class for query without data load
 *
 */
class TestQueryWithoutDataLoad extends QueryTest with BeforeAndAfterAll {
  override def beforeAll {
    sql("drop table if exists no_load")
    sql("""
        CREATE TABLE no_load(imei string, age int, productdate timestamp, gamePointId double)
        STORED BY 'org.apache.carbondata.format'
        TBLPROPERTIES('DICTIONARY_EXCLUDE'='productdate', 'DICTIONARY_INCLUDE'='gamePointId')
      """)
  }

  test("test query without data load") {
    checkAnswer(
      sql("select count(*) from no_load"), Seq(Row(0))
    )
    checkAnswer(
      sql("select * from no_load"), Seq.empty
    )
    checkAnswer(
      sql("select imei, count(age) from no_load group by imei"), Seq.empty
    )
    checkAnswer(
      sql("select imei, sum(age) from no_load group by imei"), Seq.empty
    )
    checkAnswer(
      sql("select imei, avg(age) from no_load group by imei"), Seq.empty
    )
  }

  override def afterAll {
    sql("drop table no_load")
  }

}
